package Demo2;

public class Demo21 {
    public static void main(String[] args) throws InterruptedException {
        Object lock1=new Object();
        Object lock2=new Object();
        Object lock3=new Object();

        Thread t1=new Thread(()->{
            for (int i = 0; i <10 ; i++) {
                    try {
                        synchronized (lock1){
                        lock1.wait();
                        }
                        System.out.print('A');
                     synchronized (lock2) {
                     lock2.notify();
                     }
                    } catch (InterruptedException e) {
                        throw new RuntimeException(e);
                    }
            }
        });

        Thread t2=new Thread(()->{
            for (int i = 0; i <10 ; i++) {
                try {
                    synchronized (lock2){
                        lock2.wait();
                    }
                    System.out.print('B');
                    synchronized (lock3) {
                        lock3.notify();
                    }
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
        });

        Thread t3=new Thread(()->{
            for (int i = 0; i <10 ; i++) {
                try {
                    synchronized (lock3){
                        lock3.wait();
                    }
                    System.out.println('C');
                    synchronized (lock1) {
                        lock1.notify();
                    }
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
        });

        t1.start();
        t2.start();
        t3.start();

        Thread.sleep(1000);
        synchronized (lock1){
            lock1.notify();
        }

    }


}
